Research

Articles, tools, and commentary on
climate services and solutions.
Highlights
Mar 08 2024
OffsetsDB
We developed a regularly-updating, harmonized database of carbon offset projects and credits for download and interactive exploration.
Database toolExplainer articleMethods

Sep 05 2023
We developed a new dataset modeling the impacts of humid heat now and into the future, in collaboration with The Washington Post. Read the article or the coverage in The Post.

Tools
Offsets DB
A harmonized database of carbon offset projects and credits.
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Articles
Mar 18 2024
Does enhanced weathering work? We’re still learning.
There are lots of carbon removal estimates for enhanced weathering in the scientific literature, but making sense of them is hard. We synthesized these estimates to clarify the current state of the science and grapple with its limitations.
There are lots of carbon removal estimates for enhanced weathering in the scientific literature, but making sense of them is hard. We synthesized these estimates to clarify the current state of the science and grapple with its limitations.
Mar 08 2024
Monitoring the global carbon market with OffsetsDB
Information about carbon offset projects and credits is spread across the internet, making it hard to compare up-to-date data from different sources. Our new, regularly updated database harmonizes offset data from several sources, helping make the offsets market more transparent.
Information about carbon offset projects and credits is spread across the internet, making it hard to compare up-to-date data from different sources. Our new, regularly updated database harmonizes offset data from several sources, helping make the offsets market more transparent.
Sep 14 2023
Comparing carbon removal approaches that act over different timescales
How should we compare carbon removal approaches that work on different parts of the carbon cycle at different timescales? We explore how understanding equilibration dynamics helps us compare different carbon removal approaches.
How should we compare carbon removal approaches that work on different parts of the carbon cycle at different timescales? We explore how understanding equilibration dynamics helps us compare different carbon removal approaches.
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Commentary
Policy Briefs
Feb 08 2024
Policy Brief
Fire threatens the integrity of California’s forest offset program
The state’s cap-and-trade system depends on forest offsets. But forests burn. And the buffer pool isn’t robust enough to protect the system.
Dec 04 2023
Policy Brief
Ethanol carbon capture and storage isn’t carbon removal
The voluntary carbon market is gearing up to sell corn ethanol CCS projects as carbon removal because they store biogenic CO₂. We explain why this logic falls short.
May 19 2023
Policy Brief
Additionality risks in Alaska’s proposed forest offsets program
Alaska passed a bill that allows state forests to join the voluntary carbon market. We summarize the evidence that this program might result in non-additional offset credits.
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Comment Letters
Feb 16 2024
Commodity Futures Trading Commission re: Listing of voluntary carbon credit derivative contracts guidance
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Publications
Sep 15 2023
One Earth
Carbon offsets are incompatible with the Paris Agreement
For carbon offsets to support temperature stabilization under the Paris Agreement, nearly everything about them must change.
Sep 12 2022
Global Change Biology
An ex post analysis shows that credited carbon sequestration in California projects is likely non-additional. These findings illustrate the importance of using dynamic baseline controls to credit carbon.
Dec 23 2022
Nature Plants
Economic and biophysical limits to seaweed farming for climate change mitigation
A paper using coupled seaweed growth and technoeconomic models to better understand the potential role of seaweed farming for carbon removal and biomass products.
Aug 05 2022
Frontiers
An actuarial analysis of California's forest carbon offset insurance program shows that it fails to adequately address risks from wildfire and sudden oak death.
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